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Finding the Fourth Proportional to 247,214.76, 370,440.47 and 166,938.14

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Solution

The fourth proportional to 247,214.76, 370,440.47 and 166,938.14 is: 250,149.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,214.76 : 370,440.47 = 166,938.14 : x
  2. Step 2: Convert to fraction form
    247,214.76/370,440.47 = 166,938.14/x
  3. Step 3: Cross multiply
    247,214.76x = 370,440.47 × 166,938.14
  4. Step 4: Simplify right side
    247,214.76x = 61,840,641,607.67
  5. Step 5: Solve for x
    x = 61,840,641,607.67/247,214.76
  6. Step 6: Final answer
    x = 250,149.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.